Qhov sib txawv tseem ceeb ntawm electrowinning thiab electrorefining yog tias nyob rau hauv cov txheej txheem electrowinning, cov hlau tsis huv yog nyob rau hauv cov kua dej, whereas hauv cov txheej txheem electrorefining, cov hlau tsis huv yog cov anode.
Electrowinning yog cov electrodeposition ntawm cov hlau los ntawm cov ores uas tau muab tso rau hauv cov tshuaj ntawm leaching. Electrorefining yog electrodeposition ntawm hlau los ntawm cov ores uas tau muab tso rau hauv ib qho kev daws kom tshem tawm impurities ntawm cov hlau ore.
Electrowinning yog dab tsi?
Electrowinning yog cov electrodeposition ntawm hlau los ntawm cov ores uas tau muab tso rau hauv ib qho kev daws ntawm leaching. Nws tseem hu ua electroextraction. Nws siv electroplating ntawm qhov loj thiab yog ib qho tseem ceeb txheej txheem rau kev lag luam thiab ncaj qha purification ntawm cov hlau tsis muaj hlau. Hauv cov txheej txheem no, cov hluav taws xob tam sim no dhau los ntawm qhov tsis muaj zog anode (nws yog qhov chaw oxidation tshwm sim) los ntawm cov kua qaub uas muaj cov hlau ions yaj. Tom qab ntawd cov hlau rov qab zoo li nws tau muab tso rau hauv cov txheej txheem electroplating mus rau cathode qhov twg qhov txo qis tshwm sim. Cov hlau uas tshwm sim los ntawm cov txheej txheem yog hu ua electrowon.
Thaum xav txog cov kev siv ntawm cov txheej txheem electrowinning, feem ntau siv hlau rau cov txheej txheem no yog txhuas, tooj liab, kub, nyiaj, zinc, txhuas, chromium, cob alt, manganese thiab qee cov hlau tsis tshua muaj hauv ntiaj teb thiab alkali hlau. Qhov tseem ceeb tshaj, qhov no yog tib txoj kev uas peb siv rau txhuas hlau.
Electrorefining yog dab tsi?
Electrorefining yog cov electrodeposition ntawm cov hlau los ntawm cov ores uas tau muab tso rau hauv kev daws kom tshem tawm impurities ntawm cov hlau ore. Cov txheej txheem no siv cov txheej txheem zoo sib xws rau cov txheej txheem electrowinning. Nws yog ib qho tseem ceeb nyob rau hauv kev lag luam thiab ncaj qha purification ntawm non-ferrous hlau.
Daim duab 01: Electrorefining Technology
Hauv cov txheej txheem electrorefining, lub anode muaj cov hlau tsis huv yuav tsum tau ua kom zoo. Peb tuaj yeem siv cov hlau zoo li tooj liab rau cov txheej txheem no. Tom qab ntawd, lub impure metallic anode undergoes oxidation, thiab ces cov hlau yuav yaj mus rau hauv ib tug tov. Ntxiv mus, cov hlau ions migrate los ntawm cov kua qaub electrolyte kom txog thaum nws mus txog lub cathode, qhov twg peb tuaj yeem tau txais cov hlau tso. Tsis tas li ntawd, cov khoom tsis muaj dej tsis zoo uas zoo li sediment hauv qab lub anode feem ntau muaj cov ntsiab lus tsis tshua muaj txiaj ntsig, suav nrog kub, nyiaj, thiab selenium.
Daim duab 02: Electrorefining ntawm tooj liab
Cov txheej txheem electrorefining tso cai rau peb cais cov hlau hnyav, suav nrog plutonium, caesium, thiab strontium, los ntawm cov tshuaj lom neeg tsawg ntawm uranium. Tsis tas li ntawd, nws tuaj yeem siv los tshem tawm cov tshuaj lom neeg los ntawm cov dej khib nyiab.
Qhov txawv ntawm Electrowinning thiab Electrorefining yog dab tsi?
Electrowinning thiab electrorefining yog cov txheej txheem kev lag luam tseem ceeb hauv kev tau txais cov hlau ntshiab los ntawm cov hlau tsis huv. Qhov sib txawv tseem ceeb ntawm electrowinning thiab electrorefining yog tias nyob rau hauv cov txheej txheem electrowinning, cov hlau tsis huv yog nyob rau hauv cov kua qaub, hos nyob rau hauv cov txheej txheem electrorefining, cov hlau tsis huv yog cov anode. Ntxiv mus, nyob rau hauv electrowinning, ib tug hluav taws xob tam sim no dhau los ntawm leach tov los ntawm anode mus rau lub cathode, qhov twg cov hlau ntshiab yog tso rau ntawm cathode, thaum nyob rau hauv electrorefining, impure hlau yog lub anode, thiab nws tau oxidized rau yaj cov hlau rau hauv cov tshuaj, ua raws li kev txav ntawm cov hlau ions los ntawm electrolyte mus rau cathode rau cov hlau ntshiab deposition.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm electrowinning thiab electrorefining hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Electrowinning vs Electrorefining
Electrowinning yog cov electrodeposition ntawm cov hlau los ntawm cov ores uas tau muab tso rau hauv kev daws ntawm leaching. Electrorefining yog electrodeposition ntawm hlau los ntawm cov ores uas tau muab tso rau hauv kev daws kom tshem tawm impurities los ntawm cov hlau ore. Qhov sib txawv tseem ceeb ntawm electrowinning thiab electrorefining yog tias nyob rau hauv cov txheej txheem electrowinning, cov hlau tsis huv yog nyob rau hauv cov kua qaub, hos nyob rau hauv cov txheej txheem electrorefining, cov hlau tsis huv yog cov anode.
